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Neporo4naja [7]
2 years ago
8

Can anyone help me? :D

Mathematics
2 answers:
bixtya [17]2 years ago
8 0

Answer:

The first diagram with Elise 4 and Reid 3. The answer would be 63 times that Elise loaded the dish washer.

Step-by-step explanation:

Divide 84 by 4 to get 21, then multiply 21 by 3 to get 63.

vlabodo [156]2 years ago
6 0

Answer:

1st diagram, 63 times

Step-by-step explanation:

84/4= 21

21*3=63

4/3 and 84/63 have the same ratio.

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Sanjay graphs a quadratic function that has x-intercepts of –3 and 7. Which functions could he have graphed?
kykrilka [37]

we will select each options and find zeros

(a)

g(x)=x^2-4x-21

for finding x-intercept , we can set g(x)=0

and then we can solve for x

g(x)=x^2-4x-21=0

now, we can factor it

(x-7)(x+3)=0

we get

x=7,x=-3

so, this is TRUE

(b)

g(x)=(x-3)(x+7)

we can set it to 0

and then we can solve for x

g(x)=(x-3)(x+7)=0

we get

x=3,x=-7

so, this is FALSE

(c)

g(x)=3x^2-12x-63

we can set it to 0

and then we can solve for x

g(x)=3x^2-12x-63 =0

3(x^2-4x-21) =0

3(x-7)(x+3) =0

x=-3,x=7

so, this is TRUE

(d)

g(x)=-(x+3)(x-7)

now, we can set it to 0

and then we can solve for x

g(x)=-(x+3)(x-7)=0

x=-3,x=7

so, this is TRUE

(e)

we have

g(x)=x^2+4x-21

now, we can set it to 0

and then we can solve for x

g(x)=x^2+4x-21=0

(x+7)(x-3)=0

x=-7,x=3

so, this is FALSE

5 0
2 years ago
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ziro4ka [17]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

6,000

Step-by-step explanation:

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N76 [4]

Answer: wouldn't be 1608.5? let me know if im wrong.

V = πr^2 h= π · 8^2 · 8 ≈ 1608.49544

7 0
3 years ago
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